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NOTE- To use NodeMCU V1 or V2 or V3 dev boards using Arduino IDE, we do not need to flash it with firmware using nodemcu flasher. This Instructable gives quick intro to- 1) Installing Arduino core for ESP8266 WiFi chip in Arduino IDE and Getting started with sketches written using Latest stable Arduino IDE 1.6.7ΔΆ) Run/modify basic LED blink sketch to blink onboard LED and/or externally connected LED at pin D0 or GPIO-16 as per the pin configuration mentioned here and here. (or only ESP8266 boards, but with necessary hardware modifications and using FTDI modules for programming- not covered in this tutorial because, this is only for NodeMCU dev boards). (I think, this method can be used for other NodeMCU boards too. This makes it easy to move firmware between different microcontrollers without having to overhaul the whole code. This is quick guide/tutorial for getting started with Arduino and ESP8266 NodeMCU V2 ESP-12Ewifi module. I struggled myself earlier in the beginning, so thought of making this Instructable for beginners.
#ESP8266 FIRMWARE SOURCE CODE HOW TO#
I had request about showing how to program ESP-12E NodeMCU using Arduino IDE. Especially because, the Input and output pins have different mapping on NodeMCU than those on actual ESP8266 chip. Programming, of ESP8266 using Arduino IDE is not very straight forward, until it is properly configured. Recently, there has been interest in programming ESP8266 systems using Arduino IDE. excellent few $ system on board for Internet of Things (IoT) projects. Wifi networking (can be uses as access point and/or station, host a webserver), connect to internet to fetch or upload data. 10 GPIOs D0-D10, PWM functionality, IIC and SPI communicaiton, 1-Wire and ADC A0 etc. Event-driven API for network applicaitons
#ESP8266 FIRMWARE SOURCE CODE INSTALL#
Prerequisites to Compile Source Code Download Latest Arduino Install Firmware From Arduino Library Manager (easiest) Manual Installation of Ganglion Firmware (harder) Clone The Repo From Github Install ESP8266 Core Firmware Select Adafruit Huzzah ESP8266 as Board Select DefaultWifiShield. It combined features of WIFI accesspoint and station + microcontroller and uses simple LUA based programming language. Upload Code Compile Source Code to build binary. NodeMCU Dev Board is based on widely explored esp8266 System on Chip from Expressif.